Contents.
      planet: 7 - Uranus
  satellites: U1-Ariel   : 1,
              U2-Umbriel : 1,
              U3-Titania : 1, 
              U4-Oberon  : 1,
              U5-Miranda : 1
total number: 5
        type: absolute
       dates: 1975-1975
 observatory: 807 - Cerro Tololo Observatory, La Serena

Reference.
   Walker R. L., Christy J. W., Harrington R. S. (1978)
   Positions of planets and natural satellites
   Astronomical Journal. V. 83. N. 7. P. 838-844.
   1978AJ_____83__838W

Informations.
         relative to: absolute
     reference frame: astrometric
     centre of frame: topocentre
    epoch of equinox: 1950.0
          time scale: UTC
           reduction: Catalogue - SAO
         coordinates: absolute
    diff. refraction: no information
            receptor: photographic
           telescope: Reflector, D=4 m
           observers: Blanco V.M.
 data included in standard data file: no

Comments.
             no information

Format.
  1. Number of satellite (N sat)
  2. Year   of the moment of observation
  3. Month  of the moment of observation
  4. Day    of the moment of observation with decimals
  5. Hour   of right ascension (alpha, h)
  6. Minute of right ascension (alpha, m)
  7. Second of right ascension (alpha, s)
  8. Degree of declination (delta, deg)
  9. Minute of declination (delta, '  )
 10. Second of declination (delta, '' )

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 N Year                  alpha           delta        
sat  month                                    
          day         h  m  s      deg  ' ''  

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